Home / 1,319,370.74-1,820,903.34-738,814.95

Finding the Fourth Proportional to 1,319,370.74, 1,820,903.34 and 738,814.95

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Solution

The fourth proportional to 1,319,370.74, 1,820,903.34 and 738,814.95 is: 1,019,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,370.74 : 1,820,903.34 = 738,814.95 : x
  2. Step 2: Convert to fraction form
    1,319,370.74/1,820,903.34 = 738,814.95/x
  3. Step 3: Cross multiply
    1,319,370.74x = 1,820,903.34 × 738,814.95
  4. Step 4: Simplify right side
    1,319,370.74x = 1,345,310,597,298.34
  5. Step 5: Solve for x
    x = 1,345,310,597,298.34/1,319,370.74
  6. Step 6: Final answer
    x = 1,019,660.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.